Everyone should take a look at the PDFlib manual, section 3.3.5 on TrueType fonts and such. In order to not have to embed fonts and have the font metrics file available use one of the 14 internal PDFlib fonts (case sensitive) :

For using pdf_findfont with pdf_setfont it's a good idea to copy your fonts to a separate directory, i.e. /usr/local/fonts. You should also copy the upr file which comes with PDFlib to this directory. The example code above did not work here until I put a